CN109216088B - Knife switch quick-change tooling - Google Patents
Knife switch quick-change tooling Download PDFInfo
- Publication number
- CN109216088B CN109216088B CN201811221963.9A CN201811221963A CN109216088B CN 109216088 B CN109216088 B CN 109216088B CN 201811221963 A CN201811221963 A CN 201811221963A CN 109216088 B CN109216088 B CN 109216088B
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- China
- Prior art keywords
- eccentric wheel
- sliding block
- limit
- face
- flat end
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- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 230000008859 change Effects 0.000 claims description 7
- 230000033001 locomotion Effects 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000009471 action Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/54—Lever switches with blade-type contact co-operating with one or two spring-clip contacts, e.g. knife switch
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/02—Details
- H01H21/18—Movable parts; Contacts mounted thereon
- H01H21/36—Driving mechanisms
- H01H21/50—Driving mechanisms with indexing or latching means, e.g. indexing by ball and spring; with means to ensure stopping at intermediate operative positions
Landscapes
- Knives (AREA)
- Push-Button Switches (AREA)
Abstract
The invention discloses a quick shifting tool for a guillotine switch, which is used for controlling the opening and closing of the guillotine switch, and comprises a control mechanism and a transmission mechanism, wherein the control mechanism comprises a base, a slideway with two open ends is arranged in the base, a sliding block is arranged in the slideway, one end of the sliding block is provided with a limiting part, and a spring is sleeved on the sliding block; the base is perpendicular to the axis of the slideway and is provided with a limiting groove on the end surface deviating from the limiting part, an eccentric wheel is arranged in the limiting groove, the eccentric wheel comprises a first limiting flat end surface and a second limiting flat end surface, the first limiting flat end surface and the second limiting flat end surface are connected through an arc surface, and the eccentric wheel is hinged with one end of the sliding block deviating from the limiting part; one end of the transmission mechanism is connected with the guillotine switch, and the other end of the transmission mechanism is connected with the sliding block. The invention has the advantages that the first limit flat end surface and the second limit flat end surface on the eccentric wheel are matched with the limit groove to keep the open and close state of the knife switch, thereby realizing the self-locking function.
Description
Technical Field
The invention belongs to the technical field of mechanical and electrical control, and particularly relates to a knife switch quick-change tooling.
Background
The linear displacement mechanism of the mechanical or electrical knife switch is mostly controlled by a pull rod or a pull rope, however, the control mode is not only laborious, but also does not have a self-locking function, and a locking mechanism is additionally adopted to keep the on-off state of the knife switch.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the existing mechanical or electric knife switch cannot be self-locked when controlled by a pull rod or a pull rope.
The invention adopts the following technical scheme to solve the technical problems:
the quick switch tool for the knife switch is used for controlling the switch of the knife switch and comprises a control mechanism and a transmission mechanism, wherein the control mechanism comprises a base, a slideway with two open ends is arranged in the base, a sliding block is arranged in the slideway, one end of the sliding block is provided with a limiting part, and a spring is sleeved on the sliding block; the base is perpendicular to the axis of the slide way and is provided with a limit groove on the end face deviating from the limit part, an eccentric wheel is arranged in the limit groove, the eccentric wheel comprises a first limit flat end face and a second limit flat end face, the first limit flat end face and the second limit flat end face are connected through an arc face, the eccentric wheel is hinged with one end of the sliding block deviating from the limit part, and rotates along with the eccentric wheel, the first limit flat end face contacts with the base or the second limit flat end face contacts with the base, and drives the sliding block to do reciprocating linear motion in the slide way; one end of the transmission mechanism is connected with the guillotine switch, and the other end of the transmission mechanism is connected with the sliding block.
Preferably, in the quick change tooling for knife switch according to the present invention, the end surface of the eccentric wheel is in a rounded rectangle, the side surface of the long side of the rectangle is the first limit flat end surface, and the side surface of the short side of the rectangle is the second limit flat end surface.
Preferably, in the quick change tooling for the knife switch, a shaft hole is formed in the eccentric wheel, the sliding block is arranged at the shaft hole through a pin shaft, and the eccentric wheel is arranged in the limiting groove through the pin shaft.
Preferably, according to the quick change tooling for the knife switch, the eccentric wheel is provided with the mounting groove, and one end of the sliding block, which is far away from the limiting part, is inserted into the mounting groove and hinged with the eccentric wheel through the pin shaft.
Preferably, the quick shifting tool for the knife switch provided by the invention has the advantage that the transmission mechanism is a pull rope.
Preferably, according to the quick switch tool for the knife switch, two ends of the pull rope are connected with the knife switch and the sliding block through the line cards respectively.
Preferably, the knife switch quick-change tooling provided by the invention has the advantage that the pull rope is a brake cable.
Preferably, the quick change tooling for the knife switch is characterized in that the eccentric wheel is provided with a handle.
The invention has the technical advantages that:
according to the technical scheme, when the eccentric wheel mechanism drives the guillotine switch to open and close, the first limit flat end surface and the second limit flat end surface on the eccentric wheel are respectively matched with the limit groove on the base to keep the open and close state of the guillotine switch, so that the self-locking function is realized;
the brake cable is adopted as a transmission mechanism, so that the device is more free and convenient to lay and saves more labor during operation.
Drawings
Fig. 1 is a schematic structural diagram of a knife switch quick-change tooling according to an embodiment of the invention;
FIG. 2 is an enlarged schematic view of FIG. 1 at A;
FIG. 3 is a right side view of FIG. 1;
fig. 4 is a schematic structural view of the eccentric wheel according to the present embodiment.
Detailed Description
In order to facilitate the understanding of the technical scheme of the present invention by those skilled in the art, the technical scheme of the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 to 3, the present embodiment discloses a quick-change tooling for a knife switch, which includes a control mechanism and a transmission mechanism 2, wherein the control mechanism is fixedly arranged on a mechanical device, the transmission mechanism 2 is used for connecting the control mechanism with a knife switch (not shown in the figure) on the device, and transmitting the acting force generated by the control mechanism to the knife switch so as to enable the knife switch to be opened or closed. The structure of the knife switch quick-change tooling is specifically described below with reference to the accompanying drawings.
As shown in fig. 2 and 3, the control mechanism includes a base 11, a slide (not labeled in the drawing) with two open ends is provided in the base 11, one end of the slide is provided with a limit step (not labeled in the drawing), a slide block 12 is provided in the slide, the slide block 12 includes a body 121, one end of the body 121 is formed with a limit portion 122, a spring 13 is sleeved on the body 121, and the spring 13 is located between the limit portion 122 and the limit step, so that the spring 13 is blocked and cannot be separated from the body 121.
The end of the base 11, which is away from the limiting part 122, is provided with a limiting groove 14, an eccentric wheel 15 is arranged in the limiting groove 14, the eccentric wheel 15 can rotate in the limiting groove 14, and the axis of the rotating shaft is perpendicular to the axis of the slideway. The eccentric wheel 15 comprises a first limit flat end surface 151 and a second limit flat end surface 152, and the first limit flat end surface 151 and the second limit flat end surface 152 are connected through an arc surface. The eccentric 15 is also hinged to the end of the slide 12 facing away from the limit stop 122.
Referring to fig. 4, in this embodiment, the end surface of the eccentric wheel 15 is in a rounded rectangle when viewed along the axial direction of the rotating shaft of the eccentric wheel 15, the side surface of the eccentric wheel 15 on which the long side is located is the first limit flat end surface 151, and the side surface of the eccentric wheel on which the short side is located is the second limit flat end surface 152. The eccentric wheel 15 is further provided with a mounting groove 153, a shaft hole 154 is formed in a position corresponding to the rotation shaft of the eccentric wheel 15, the end part of the sliding block 12, which is away from the limiting part 122, is inserted into the mounting groove 153, and is arranged at the shaft hole 154 through a pin shaft, meanwhile, the eccentric wheel 15 is also arranged in the limiting groove 14 through the pin shaft, namely, the rotation shaft of the eccentric wheel 15 coincides with a hinge shaft between the sliding block and the eccentric wheel 15.
In order to facilitate the operation of the operator to rotate the eccentric wheel 15, a handle 16 is further arranged on the eccentric wheel 15, and the handle 16 can be fixedly arranged on the eccentric wheel 15 or detachably arranged on the eccentric wheel 15.
The transmission mechanism 2 may be a pull rod or a pull rope, and in this embodiment, the pull rope is selected as the transmission mechanism 2 for convenience of arrangement, and more preferably, a flexible brake cable may be selected as the transmission mechanism 2. The brake cable may be arranged in an L-shape or other shape depending on the particular device and the position of the blade switch. One end of the brake cable is connected with the guillotine switch through the line clip 3, and the other end is connected with the sliding block 12 through the line clip 4.
The device is characterized in that the base 11 is fixedly arranged on equipment through screws when the device is used, then a brake cable is arranged, and the end part of the brake cable far away from the base 11 is connected with a knife switch through the line clamp 3.
The initial state of the device is shown in fig. 1 to 3, namely, the handle 16 is vertically arranged, the first limit flat end surface 151 is in contact with the bottom of the limit groove 14, the spring 13 is in a compressed state, and the knife switch is in a closed state. At this time, the first limiting flat end surface 151 and the bottom of the limiting groove 14 are matched to form a limiting piece to keep the state, so that a self-locking structure is formed.
The handle 16 is moved to a horizontal position, and at the same time, the eccentric wheel 15 rotates until the second limit flat end surface 152 contacts with the bottom of the limit groove 14, the sliding block 12 slides towards the eccentric wheel 15, the spring 13 is further compressed under the action of the limit part 122 and the limit step, and the sliding block 12 drives the brake cable to pull the knife switch to be disconnected. At this time, the second limiting flat end surface 152 and the bottom of the limiting groove 14 form a limiting piece to keep the state, so that the self-locking structure is formed again. When a reverse force is then applied to the handle 16 until the second limit flat end surface 152 is disengaged from the bottom of the limit groove 14, the device returns to the original state and is self-locked again under the elastic force of the spring 13.
In the description of the above operation, the spring 13 is compressed in the initial state. In fact, the spring 13 may be in a natural state at the beginning, as long as two ends of the spring are respectively abutted against or connected with the limiting part 122 and the limiting step, so that the spring 13 can be compressed immediately along with the movement of the slide block 12 towards the eccentric wheel 15, and the action process can be realized.
The technical scheme of the invention is described above by way of example with reference to the accompanying drawings, and it is apparent that the specific implementation of the invention is not limited by the above manner, and it is within the scope of the invention if various insubstantial improvements of the method concept and technical scheme of the invention are adopted or the inventive concept and technical scheme are directly applied to other occasions without improvement.
Claims (4)
1. The quick switch tool for the knife switch is used for controlling the switch of the knife switch and comprises a control mechanism and a transmission mechanism, and is characterized in that the control mechanism comprises a base, a slideway with two open ends is arranged in the base, a sliding block is arranged in the slideway, one end of the sliding block is provided with a limiting part, and a spring is sleeved on the sliding block; the base is perpendicular to the axis of the slide way and is provided with a limit groove on the end face deviating from the limit part, an eccentric wheel is arranged in the limit groove, the eccentric wheel comprises a first limit flat end face and a second limit flat end face, the first limit flat end face and the second limit flat end face are connected through an arc face, the eccentric wheel is hinged with one end of the sliding block deviating from the limit part, and rotates along with the eccentric wheel, the first limit flat end face contacts with the base or the second limit flat end face contacts with the base, and drives the sliding block to do reciprocating linear motion in the slide way; one end of the transmission mechanism is connected with the guillotine switch, and the other end of the transmission mechanism is connected with the sliding block;
the eccentric wheel is provided with a shaft hole, the sliding block is arranged at the shaft hole through a pin shaft, and the eccentric wheel is arranged in the limit groove through the pin shaft;
the eccentric wheel is provided with a mounting groove, and one end of the sliding block, which is far away from the limiting part, is inserted into the mounting groove and hinged with the eccentric wheel through the pin shaft;
the transmission mechanism is a pull rope;
and two ends of the pull rope are respectively connected with the knife switch and the sliding block through the line clamps.
2. The quick change tooling for the guillotine switch of claim 1, wherein the end face of the eccentric wheel is in a rounded rectangle, the side face of the rectangle with the long side is the first limit flat end face, and the side face of the rectangle with the short side is the second limit flat end face.
3. The quick change tooling for a guillotine switch of claim 1, wherein the pull cord is a brake cable.
4. The knife switch quick change tooling of claim 1, wherein the eccentric is provided with a handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811221963.9A CN109216088B (en) | 2018-10-19 | 2018-10-19 | Knife switch quick-change tooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811221963.9A CN109216088B (en) | 2018-10-19 | 2018-10-19 | Knife switch quick-change tooling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109216088A CN109216088A (en) | 2019-01-15 |
| CN109216088B true CN109216088B (en) | 2024-04-05 |
Family
ID=64979712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811221963.9A Active CN109216088B (en) | 2018-10-19 | 2018-10-19 | Knife switch quick-change tooling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109216088B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203721578U (en) * | 2014-01-14 | 2014-07-16 | 沈阳中煤工程技术有限公司 | Manual self-locking motion mechanism used for pull-cord switch |
| CN205943899U (en) * | 2016-07-29 | 2017-02-08 | 金炉电气有限公司 | Easy operation divides closing handle |
| CN106531492A (en) * | 2016-12-30 | 2017-03-22 | 李乾伟 | Eccentric wheel slide block transmission type self-holding electric control switch |
| CN208970409U (en) * | 2018-10-19 | 2019-06-11 | 安庆中船柴油机有限公司 | A kind of quick position-changing tool of guillotine type switch |
-
2018
- 2018-10-19 CN CN201811221963.9A patent/CN109216088B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203721578U (en) * | 2014-01-14 | 2014-07-16 | 沈阳中煤工程技术有限公司 | Manual self-locking motion mechanism used for pull-cord switch |
| CN205943899U (en) * | 2016-07-29 | 2017-02-08 | 金炉电气有限公司 | Easy operation divides closing handle |
| CN106531492A (en) * | 2016-12-30 | 2017-03-22 | 李乾伟 | Eccentric wheel slide block transmission type self-holding electric control switch |
| CN208970409U (en) * | 2018-10-19 | 2019-06-11 | 安庆中船柴油机有限公司 | A kind of quick position-changing tool of guillotine type switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109216088A (en) | 2019-01-15 |
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